GB2189898B - Light valve - Google Patents
Light valveInfo
- Publication number
- GB2189898B GB2189898B GB8621774A GB8621774A GB2189898B GB 2189898 B GB2189898 B GB 2189898B GB 8621774 A GB8621774 A GB 8621774A GB 8621774 A GB8621774 A GB 8621774A GB 2189898 B GB2189898 B GB 2189898B
- Authority
- GB
- United Kingdom
- Prior art keywords
- light valve
- valve
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/132—Thermal activation of liquid crystals exhibiting a thermo-optic effect
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB858522636A GB8522636D0 (en) | 1985-09-12 | 1985-09-12 | Light valve |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8621774D0 GB8621774D0 (en) | 1986-10-15 |
GB2189898A GB2189898A (en) | 1987-11-04 |
GB2189898B true GB2189898B (en) | 1989-08-23 |
Family
ID=10585091
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB858522636A Pending GB8522636D0 (en) | 1985-09-12 | 1985-09-12 | Light valve |
GB8621774A Expired GB2189898B (en) | 1985-09-12 | 1986-09-10 | Light valve |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB858522636A Pending GB8522636D0 (en) | 1985-09-12 | 1985-09-12 | Light valve |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8522636D0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2354833A (en) * | 1999-09-28 | 2001-04-04 | Sharp Lab Of Europ Ltd | Liquid crystal device |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1396385A (en) * | 1971-05-28 | 1975-06-04 | Xerox Corp | Light modulation method |
GB1433130A (en) * | 1972-11-09 | 1976-04-22 | Secr Defence | Substituted biphenyl and polyphenyl compounds and liquid crystal materials and devices containing them |
GB1441571A (en) * | 1972-11-09 | 1976-07-07 | Secr Defence | Liquid crystal devices incorporating biphenyl and polyphenyl compounds |
US4232951A (en) * | 1978-08-04 | 1980-11-11 | Allied Chemical Corporation | Mesomorphic isocyanate extended rigid polymers |
US4293435A (en) * | 1978-07-20 | 1981-10-06 | Basf Aktiengesellschaft | Liquid-crystalline polymer phase having a cholesteric structure, processes for its preparation and its use |
GB2146787A (en) * | 1983-09-14 | 1985-04-24 | Univ Manchester | A liquid crystal information storage device |
EP0171045A2 (en) * | 1984-08-10 | 1986-02-12 | BASF Aktiengesellschaft | Optical recording medium |
-
1985
- 1985-09-12 GB GB858522636A patent/GB8522636D0/en active Pending
-
1986
- 1986-09-10 GB GB8621774A patent/GB2189898B/en not_active Expired
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1396385A (en) * | 1971-05-28 | 1975-06-04 | Xerox Corp | Light modulation method |
GB1433130A (en) * | 1972-11-09 | 1976-04-22 | Secr Defence | Substituted biphenyl and polyphenyl compounds and liquid crystal materials and devices containing them |
GB1441571A (en) * | 1972-11-09 | 1976-07-07 | Secr Defence | Liquid crystal devices incorporating biphenyl and polyphenyl compounds |
US4293435A (en) * | 1978-07-20 | 1981-10-06 | Basf Aktiengesellschaft | Liquid-crystalline polymer phase having a cholesteric structure, processes for its preparation and its use |
US4232951A (en) * | 1978-08-04 | 1980-11-11 | Allied Chemical Corporation | Mesomorphic isocyanate extended rigid polymers |
GB2146787A (en) * | 1983-09-14 | 1985-04-24 | Univ Manchester | A liquid crystal information storage device |
EP0171045A2 (en) * | 1984-08-10 | 1986-02-12 | BASF Aktiengesellschaft | Optical recording medium |
Also Published As
Publication number | Publication date |
---|---|
GB8522636D0 (en) | 1985-10-16 |
GB2189898A (en) | 1987-11-04 |
GB8621774D0 (en) | 1986-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19970910 |